they sit much more comfortably than the 220s, which is why they were bought. The sound is not much better. when buying compared with m300. when connected by wire, the 300s sound much bassier. according to blue-tooth, turning on the bass reactor turns the m500 headphones into mini subwoofers. but the squeak . during pauses is audible, unpleasant. the sound is slightly cleaner than the 300s. Let's summarize. They fit great and the soundproofing is great. bass when you turn on the bass reactor shakes. 300 bass without a bass reactor on the wire and play longer on the blue tooth. with all this, I want to say that given the price, and if you do not take into account the convenience, I think the 220s are the best, but their ears hurt after a couple of hours.
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